package com.atguigu.gulimall.cart.vo;

import java.math.BigDecimal;
import java.util.List;

/**
 * 整个购物车
 */
public class Cart {
    List<CartItem> items;
    private Integer countNum;//商品数量
    private Integer countType;//商品类型数量
    private BigDecimal totalAmount;//商品总价
    private BigDecimal reduce = new BigDecimal("0.00");//减免价格

    public List<CartItem> getItems() {
        return items;
    }

    public void setItems(List<CartItem> items) {
        this.items = items;
    }

    public Integer getCountNum() {
        int count = 0;
        if (items != null && items.size()>0) {
            for (CartItem item : items) {
                count = count + item.getCount();
            }
        }
        return count;
    }

    public Integer getCountType() {
        int count = 0;
        if (items != null && items.size()>0) {
            for (CartItem item : items) {
                count = count + 1;
            }
        }
        return count;
    }


    public BigDecimal getTotalAmount() {
        BigDecimal acount = new BigDecimal("0");
        //1、计算购物车总价
        if (items != null && items.size()>0) {
            for (CartItem item : items) {
                acount = acount.add(item.getTotalPrice());
            }
        }

        //2、减去优惠总价
        acount = acount.subtract(getReduce());
        return acount;
    }

    public BigDecimal getReduce() {
        return reduce;
    }

    public void setReduce(BigDecimal reduce) {
        this.reduce = reduce;
    }
}
